EP2963819A4 - ELASTIC WAVE ELEMENT, DEMULTIPLEXER AND COMMUNICATION MODULE - Google Patents

ELASTIC WAVE ELEMENT, DEMULTIPLEXER AND COMMUNICATION MODULE

Info

Publication number
EP2963819A4
EP2963819A4 EP14757259.8A EP14757259A EP2963819A4 EP 2963819 A4 EP2963819 A4 EP 2963819A4 EP 14757259 A EP14757259 A EP 14757259A EP 2963819 A4 EP2963819 A4 EP 2963819A4
Authority
EP
European Patent Office
Prior art keywords
demultiplexer
communication module
elastic wave
wave element
elastic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14757259.8A
Other languages
German (de)
French (fr)
Other versions
EP2963819A1 (en
EP2963819B1 (en
Inventor
Tetsuya Kishino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Corp
Original Assignee
Kyocera Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyocera Corp filed Critical Kyocera Corp
Publication of EP2963819A1 publication Critical patent/EP2963819A1/en
Publication of EP2963819A4 publication Critical patent/EP2963819A4/en
Application granted granted Critical
Publication of EP2963819B1 publication Critical patent/EP2963819B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/25—Constructional features of resonators using surface acoustic waves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
    • H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
    • H03H9/0033—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02913—Measures for shielding against electromagnetic fields
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02992—Details of bus bars, contact pads or other electrical connections for finger electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • H03H9/725—Duplexers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
EP14757259.8A 2013-02-27 2014-02-27 Elastic wave element, demultiplexer and communication module Active EP2963819B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013036663 2013-02-27
JP2013227484 2013-10-31
PCT/JP2014/054889 WO2014133084A1 (en) 2013-02-27 2014-02-27 Elastic wave element, demultiplexer and communication module

Publications (3)

Publication Number Publication Date
EP2963819A1 EP2963819A1 (en) 2016-01-06
EP2963819A4 true EP2963819A4 (en) 2016-08-17
EP2963819B1 EP2963819B1 (en) 2021-03-24

Family

ID=51428343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14757259.8A Active EP2963819B1 (en) 2013-02-27 2014-02-27 Elastic wave element, demultiplexer and communication module

Country Status (5)

Country Link
US (2) US9806692B2 (en)
EP (1) EP2963819B1 (en)
JP (3) JP5844939B2 (en)
CN (1) CN104995836B (en)
WO (1) WO2014133084A1 (en)

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JP6441590B2 (en) * 2014-05-23 2018-12-19 太陽誘電株式会社 Elastic wave device
JP6233527B2 (en) * 2014-10-06 2017-11-22 株式会社村田製作所 Ladder type filter and duplexer
JP6004143B2 (en) 2014-10-21 2016-10-05 株式会社村田製作所 Elastic wave resonator and ladder type filter
CN107005226B (en) 2014-12-02 2020-11-20 京瓷株式会社 Elastic wave components, demultiplexers and communication modules
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JP6547914B2 (en) * 2016-12-16 2019-07-24 株式会社村田製作所 Elastic wave device, high frequency front end circuit and communication device
WO2018117059A1 (en) * 2016-12-19 2018-06-28 株式会社村田製作所 Acoustic wave resonator, filter device, and multiplexer
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Also Published As

Publication number Publication date
JP6426776B2 (en) 2018-11-21
JP2017118587A (en) 2017-06-29
US9806692B2 (en) 2017-10-31
CN104995836A (en) 2015-10-21
EP2963819A1 (en) 2016-01-06
JPWO2014133084A1 (en) 2017-02-02
US20160049920A1 (en) 2016-02-18
US10541672B2 (en) 2020-01-21
JP2016001923A (en) 2016-01-07
JP6100852B2 (en) 2017-03-22
EP2963819B1 (en) 2021-03-24
US20180048289A1 (en) 2018-02-15
JP5844939B2 (en) 2016-01-20
WO2014133084A1 (en) 2014-09-04
CN104995836B (en) 2018-01-19

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